Home / 219,878,887.38-303,459,784.89-127,059,395.25

Finding the Fourth Proportional to 219,878,887.38, 303,459,784.89 and 127,059,395.25

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Solution

The fourth proportional to 219,878,887.38, 303,459,784.89 and 127,059,395.25 is: 175,357,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,878,887.38 : 303,459,784.89 = 127,059,395.25 : x
  2. Step 2: Convert to fraction form
    219,878,887.38/303,459,784.89 = 127,059,395.25/x
  3. Step 3: Cross multiply
    219,878,887.38x = 303,459,784.89 × 127,059,395.25
  4. Step 4: Simplify right side
    219,878,887.38x = 38,557,416,750,818,488
  5. Step 5: Solve for x
    x = 38,557,416,750,818,488/219,878,887.38
  6. Step 6: Final answer
    x = 175,357,521.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.